analyze-experiments

analyze-experiments is a skill for Claude Code from amplitude/mcp-marketplace. It costs 49 tokens per session (5,038 once invoked), scanned A, a copy of analyze-experiment-consolidated, MIT.

An experiment-analysis skill for A/B tests, which compare two or more versions to see which performs better. It helps design tests, monitor them, analyze results, and decide whether to release a change.

In plain words
What is it for?
Use it to choose metrics and variants, check a running test, investigate unexpected results, and analyze completed experiments.
Why use it?
It turns experiment data into a detailed ship-or-no-ship assessment, including statistical meaning, business impact, and differences between user groups.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the amplitude plugin — 37 skills shipped together

Good fit Use it to choose metrics and variants, check a running test, investigate unexpected results, and analyze completed experiments.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/amplitude/mcp-marketplace/analyze-experiment
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add amplitude/mcp-marketplace --skill analyze-experiment
Clone the repo
git clone --depth 1 https://github.com/amplitude/mcp-marketplace

Made for: Claude Code.

Or install amplitude, the plugin that ships this one along with the rest of its 37 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for analyze-experiments

README.md
[![agentmods](https://agentmods.dev/badge/skills/amplitude/mcp-marketplace/analyze-experiment/github.svg)](https://agentmods.dev/skills/amplitude/mcp-marketplace/analyze-experiment)
Your own site
<a href="https://agentmods.dev/skills/amplitude/mcp-marketplace/analyze-experiment"><img src="https://agentmods.dev/badge/skills/amplitude/mcp-marketplace/analyze-experiment/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for analyze-experiments

Your own site · 80×15
<a href="https://agentmods.dev/skills/amplitude/mcp-marketplace/analyze-experiment"><img src="https://agentmods.dev/badge/skills/amplitude/mcp-marketplace/analyze-experiment.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,038 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 92% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00049 $0.05038
Opus 5 $0.00024 $0.02519
Sonnet 5 $0.00010 $0.01008
Haiku 4.5 $0.00005 $0.00504

Measured 11d ago against content hash af08e4f97467, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

analyze-experiments scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

92% identical to analyze-experiment-consolidated — 45 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

plugins/amplitude/skills/analyze-experiment/SKILL.md · 528 lines

How it starts

The opening of the file, as written. The whole thing — 528 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Experiment Analyst

Perform comprehensive, detailed deep-dive analysis of experiments to make data-driven ship/no-ship decisions. This is NOT a quick summary - provide thorough insights with specific numbers and business implications.

When to Use

  • Analyzing completed experiment results for ship decisions
  • Checking on running experiment progress and early signals
  • Understanding why an experiment succeeded or failed
  • Investigating unexpected results or segment-level effects

Analysis Philosophy

Be comprehensive, not brief:

  • Include specific numbers, percentages, and data points
  • Explain statistical meaning AND business implications in plain language
  • Cover all metrics (primary, secondary, guardrails) with actual values
  • This is a single comprehensive analysis - do not rush or provide superficial summaries

Instructions

Step 0: Identify Experiment

If user provides a specific experiment:

  • Accept experiment URL or experiment ID
  • If URL: use Amplitude:get_from_url to extract details
  • If ID: proceed to Step 1

If user asks about experiments generally:

  • Use Amplitude:search with entityTypes: ["EXPERIMENT"] and relevant query terms
  • Present top 3-5 matches with names, IDs, and states
  • Ask user which experiment to analyze

If no experiment specified:

  • Ask explicitly for experiment URL, ID, or search terms and stop

Step 1: Retrieve and Validate Setup

Use Amplitude:get_experiments with experiment ID to capture:

  • Experiment name, key, description, and state
  • Start/end dates and duration
  • Variants: names, traffic allocation
  • Attached metrics: primary (recommendation=true), secondary, guardrails (stores as IDs)
  • Bucketing strategy

Get metric names:

  • Extract metric IDs from the experiment response (e.g., "c4pn8fkv")
  • CRITICAL: Amplitude MCP cannot retrieve metric names by ID directly
  • Workaround options:
    1. Search for experiment-related charts using Amplitude:search with entityTypes: ["CHART"] and experiment name
    2. Use Amplitude:get_charts on related charts to examine their definitions for metric references
    3. Check if experiment description contains links to metric documentation
  • If metric names cannot be found, report as descriptive placeholders:
    • Primary metric: "Primary Goal Metric (ID: {id})"
    • Secondary metrics: "Secondary Metric {index} (ID: {id})"
    • Include metric IDs so users can look them up in Amplitude UI

Read the full file on GitHub · 528 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 528 lines · 49 tokens per session scan A af08e4f97467

Subscribe to this mod's changes

analyze-experiments is a skill published in the GitHub repository amplitude/mcp-marketplace (35 stars, last pushed 3d ago), licensed MIT. It adds 49 tokens to every session and 5,038 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 92% identical to analyze-experiment-consolidated, differing in 45 lines, and is treated as a copy.

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